java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 13:59:21,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 13:59:21,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 13:59:21,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 13:59:21,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 13:59:21,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 13:59:21,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 13:59:21,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 13:59:21,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 13:59:21,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 13:59:21,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 13:59:21,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 13:59:21,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 13:59:21,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 13:59:21,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 13:59:21,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 13:59:21,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 13:59:21,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 13:59:21,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 13:59:21,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 13:59:21,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 13:59:21,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 13:59:21,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 13:59:21,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 13:59:21,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 13:59:21,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 13:59:21,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 13:59:21,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 13:59:21,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 13:59:21,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 13:59:21,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 13:59:21,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 13:59:21,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 13:59:21,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 13:59:21,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 13:59:21,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 13:59:21,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 13:59:21,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 13:59:21,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 13:59:21,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 13:59:21,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 13:59:21,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 13:59:21,301 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 13:59:21,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 13:59:21,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 13:59:21,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 13:59:21,304 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 13:59:21,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 13:59:21,305 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 13:59:21,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 13:59:21,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 13:59:21,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 13:59:21,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 13:59:21,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 13:59:21,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 13:59:21,308 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 13:59:21,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 13:59:21,308 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 13:59:21,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 13:59:21,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 13:59:21,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 13:59:21,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 13:59:21,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 13:59:21,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 13:59:21,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 13:59:21,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 13:59:21,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 13:59:21,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 13:59:21,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 13:59:21,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 13:59:21,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 13:59:21,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 13:59:21,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 13:59:21,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 13:59:21,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 13:59:21,384 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 13:59:21,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 13:59:21,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d975f602/52f11e84e6d743b9a1a0f35d0591d287/FLAG68b17ac8b [2019-09-06 13:59:21,950 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 13:59:21,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 13:59:21,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d975f602/52f11e84e6d743b9a1a0f35d0591d287/FLAG68b17ac8b [2019-09-06 13:59:22,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d975f602/52f11e84e6d743b9a1a0f35d0591d287 [2019-09-06 13:59:22,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 13:59:22,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 13:59:22,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 13:59:22,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 13:59:22,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 13:59:22,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:59:22" (1/1) ... [2019-09-06 13:59:22,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e21f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22, skipping insertion in model container [2019-09-06 13:59:22,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:59:22" (1/1) ... [2019-09-06 13:59:22,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 13:59:22,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 13:59:22,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:59:22,647 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 13:59:22,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:59:22,845 INFO L192 MainTranslator]: Completed translation [2019-09-06 13:59:22,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22 WrapperNode [2019-09-06 13:59:22,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 13:59:22,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 13:59:22,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 13:59:22,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 13:59:22,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22" (1/1) ... [2019-09-06 13:59:22,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22" (1/1) ... [2019-09-06 13:59:22,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22" (1/1) ... [2019-09-06 13:59:22,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22" (1/1) ... [2019-09-06 13:59:22,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22" (1/1) ... [2019-09-06 13:59:22,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22" (1/1) ... [2019-09-06 13:59:22,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22" (1/1) ... [2019-09-06 13:59:22,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 13:59:22,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 13:59:22,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 13:59:22,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 13:59:22,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:59:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 13:59:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 13:59:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 13:59:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 13:59:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 13:59:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 13:59:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 13:59:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 13:59:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 13:59:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 13:59:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 13:59:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 13:59:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 13:59:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 13:59:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 13:59:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 13:59:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 13:59:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 13:59:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 13:59:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 13:59:23,546 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 13:59:23,547 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 13:59:23,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:59:23 BoogieIcfgContainer [2019-09-06 13:59:23,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 13:59:23,550 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 13:59:23,550 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 13:59:23,551 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 13:59:23,552 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:59:23" (1/1) ... [2019-09-06 13:59:23,554 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 13:59:23,600 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 13:59:23,600 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 13:59:23,623 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 13:59:23,632 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 13:59:23,634 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 13:59:23,785 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 162 for LOIs [2019-09-06 14:05:14,622 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:05:14,623 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:05:14,626 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 755114#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode3~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode3~0) (<= 0 main_~assert__arg~0) (<= 0 ~__return_3032~0) (<= ~mode2~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_1~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0) (<= ~__return_3032~0 1)) [2019-09-06 14:05:14,637 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:05:14,638 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:05:14,640 INFO L168 Benchmark]: Toolchain (without parser) took 352343.77 ms. Allocated memory was 136.8 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 83.9 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-09-06 14:05:14,641 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 14:05:14,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.12 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 83.7 MB in the beginning and 173.3 MB in the end (delta: -89.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-06 14:05:14,644 INFO L168 Benchmark]: Boogie Preprocessor took 48.19 ms. Allocated memory is still 198.7 MB. Free memory was 173.3 MB in the beginning and 171.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-06 14:05:14,644 INFO L168 Benchmark]: RCFGBuilder took 654.60 ms. Allocated memory is still 198.7 MB. Free memory was 171.3 MB in the beginning and 135.0 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2019-09-06 14:05:14,645 INFO L168 Benchmark]: Sifa took 351087.98 ms. Allocated memory was 198.7 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 135.0 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-09-06 14:05:14,650 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 549.12 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 83.7 MB in the beginning and 173.3 MB in the end (delta: -89.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.19 ms. Allocated memory is still 198.7 MB. Free memory was 173.3 MB in the beginning and 171.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 654.60 ms. Allocated memory is still 198.7 MB. Free memory was 171.3 MB in the beginning and 135.0 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Sifa took 351087.98 ms. Allocated memory was 198.7 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 135.0 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 351026, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 551836, DAG_INTERPRETER_EARLY_EXITS: 5750, TOOLS_POST_APPLICATIONS: 535687, TOOLS_POST_TIME[ms]: 96314, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 51, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 7, TOOLS_QUANTIFIERELIM_TIME[ms]: 62432, FLUID_QUERY_TIME[ms]: 2989, FLUID_QUERIES: 552549, FLUID_YES_ANSWERS: 64, DOMAIN_JOIN_APPLICATIONS: 219132, DOMAIN_JOIN_TIME[ms]: 62119, DOMAIN_ALPHA_APPLICATIONS: 64, DOMAIN_ALPHA_TIME[ms]: 1806, DOMAIN_WIDEN_APPLICATIONS: 226, DOMAIN_WIDEN_TIME[ms]: 125, DOMAIN_ISSUBSETEQ_APPLICATIONS: 713, DOMAIN_ISSUBSETEQ_TIME[ms]: 580, DOMAIN_ISBOTTOM_APPLICATIONS: 175355, DOMAIN_ISBOTTOM_TIME[ms]: 171038, LOOP_SUMMARIZER_APPLICATIONS: 487, LOOP_SUMMARIZER_CACHE_MISSES: 487, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 336245, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 336222, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 713, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 55, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 56, DAG_COMPRESSION_TIME[ms]: 2477, DAG_COMPRESSION_PROCESSED_NODES: 178885, DAG_COMPRESSION_RETAINED_NODES: 57217 - UnprovableResult [Line: 230]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 755114#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode3~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode3~0) (<= 0 main_~assert__arg~0) (<= 0 ~__return_3032~0) (<= ~mode2~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_1~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0) (<= ~__return_3032~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...